Key button arrangement for a handset



FIG. 1 is a front view of a key button arrangement for a handset showing our new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a front view of the key button arrangement for a handset of illustrated in an environment of a disclaimed handset in a closed in-use position thereof; and,

FIG. 4 is a perspective view of the key button arrangement for a handset illustrated in an environment of a disclaimed handset in a closed in use position thereof.

The broken line showings of the reminder of the handset are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a key button arrangement for a handset, as shown and described. 